26720716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 54109440

約数和(自身を除く): 27388724

約数列:

[1, 2, 4, 11, 22, 29, 43, 44, 58, 86, 116, 172, 319, 473, 487, 638, 946, 974, 1247, 1276, 1892, 1948, 2494, 4988, 5357, 10714, 13717, 14123, 20941, 21428, 27434, 28246, 41882, 54868, 56492, 83764, 155353, 230351, 310706, 460702, 607289, 621412, 921404, 1214578, 2429156, 6680179, 13360358, 26720716]

約数ペア:

[(1, 26720716), (2, 13360358), (4, 6680179), (11, 2429156), (22, 1214578), (29, 921404), (43, 621412), (44, 607289), (58, 460702), (86, 310706), (116, 230351), (172, 155353), (319, 83764), (473, 56492), (487, 54868), (638, 41882), (946, 28246), (974, 27434), (1247, 21428), (1276, 20941), (1892, 14123), (1948, 13717), (2494, 10714), (4988, 5357)]